Gilly

Thanks for your interest.
I have, in the meantime, taken the cover off to see if anything would " jump out " at me.
I noticed the suspension discs c/w. cushions are all ( 4 ) in place.
The small hole in the centre is not threaded, leaving me to suspect if it fit over a shaft, there would have to be some kind of retainer, to keep it from popping off. No such retainer found.
I will try to install it tomorrow & see what happens.
If it doesn't work I will take pictures of the disc, and figure out how to post them on here.
The seller has been made aware of this, but I would honestly have to blame the mail for it, as one corner of the parcel was slightly damaged when I received it.

Thanks manny

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2007 C 230 Sport.